Each time a creature dies, check whether Predator Ooze had dealt any damage to it at any time during that turn. If so, Predator Ooze's ability will trigger. It doesn't matter who controlled the creature or whose graveyard it was put into.
Indestructible (Damage and effects that say "destroy" don't destroy this creature.)
Whenever this creature attacks, put a +1/+1 counter on it.
Whenever a creature dealt damage by this creature this turn dies, put a +1/+1 counter on this creature.
